Eastman v. Mayor of New York
Court of Appeals for the Second Circuit
Appeal from the Circuit Court of the United States for the Southern District of New York. This action was commenced November 13, 1877. The original opinion, sustaining the patent on final hearing, was filed November 9, 1881, and is reported under the title of Campbell v. The Mayor, etc.
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Appeal from the Circuit Court of the United States for the Southern District of New York. This action was commenced November 13, 1877. The original opinion, sustaining the patent on final hearing, was filed November 9, 1881, and is reported under the title of Campbell v. The Mayor, etc. (C. C.) 9 Fed. 500. The opinion sustaining the demurrer to supplemental bill is reported in 35 Fed. 14. The opinion dismissing the bill on rehearing because of public use for more than two years prior to the application is at 35 Fed. 504, 1 L. ft. A. 48. The opinion reopening the case for additional proof upon…
1Opinion of the Court
COXE, Circuit Judge.
This is an equity action for the infringement •of letters patent, No. 42,920, granted May 24, 1864, to James Knibbs, assignor to himself and Marcus P. Norton, for “Improvements in Pumps for Steam Fire and other Engine Pumps.”
The inventor conceived the invention April 21, 1860, and applied the device to a steam fire engine April 29, 1860. The application was filed May 13, 1864.
The Patent.
As stated in the description the nature of the improvement consists in the employment of a pipe by means of which the force or discharge part of said pump is connected to and-with the…
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